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Finding the Fourth Proportional to 667,987.98, 1,001,984.03 and 162,549.05

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Solution

The fourth proportional to 667,987.98, 1,001,984.03 and 162,549.05 is: 243,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,987.98 : 1,001,984.03 = 162,549.05 : x
  2. Step 2: Convert to fraction form
    667,987.98/1,001,984.03 = 162,549.05/x
  3. Step 3: Cross multiply
    667,987.98x = 1,001,984.03 × 162,549.05
  4. Step 4: Simplify right side
    667,987.98x = 162,871,546,369.01
  5. Step 5: Solve for x
    x = 162,871,546,369.01/667,987.98
  6. Step 6: Final answer
    x = 243,824.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.